Been searching for hours on this one. Finally made one on my own. The internet community pretty much failed when it came down to finding a ALX/COD version of GMail 2.0.5.
Here it is:
rapidshare.com/files/177724109/GoogleMail_2.0.5_for_BB.zip.html

Or see the following post for OperaMini 4.2, Gmail 2.0.5, and GoogleMaps 2.3.2 already zipped up with ALX/COD's:
forums.crackberry.com/f35/gmail-2-0-5-googlemaps-2-3-2-opera-mini-4-2-alx-files-124684/